Cal. Veh. Code § 42005.2

(a) In those counties in which, prior to January 1, 1985, one or more individual courts, or the county acting on behalf of one or more individual courts, contracted for the provision of traffic safety instructional services to traffic violators referred by the court pursuant to a pretrial diversion program, the courts may restrict referrals to those schools for traffic violators or licensed driving schools that are under contract with the court or with the county to provide traffic safety instructional services for persons referred pursuant to subdivision (a) of Section 42005.
(b) A county described in Section 28023 of the Government Code may continue to provide the program authorized by this section in accordance with the provisions of current and future contracts as may be amended and approved by the individual courts within that county, and the county shall be exempt from state regulations relative to maximum classroom attendance.
(c) Notwithstanding subdivisions (a) and (b), a court in the counties described in those subdivisions shall comply with the prohibitions set forth in subdivisions (c) and (d) of Section 42005.
(d) This section shall become inoperative on April 1, 2012, and, as of January 1, 2013, is repealed, unless a later enacted statute that is enacted before January 1, 2013, deletes or extends the dates on which it becomes inoperative and is repealed.